. >> we know the suspect has been identified as 23-year-old paul ciancia. he entered inside terminal 3 behind me and opened fire, killing a tsa agent, injuring at least seven others, before he himself was shot and taken into custody. this all happened very early friday morning during the middle of the morning commute. it was 9:30 a.m. the terminal was packed with passengers. police say he walked in, pulled a high-powered rifle out of a bag, shot at tsa agents, killing one, then moved past security. police followed him down the terminal where he made his way 100 yards down the terminal, past security where they engaged him in a gun battle. passengers were running, screaming, hiding in bathrooms, running out to the tarmac, doing what they could to save their own lives. here's what one passenger told us yesterday. >> i wasn't sure what was happening. i thought it might have been a bomb scare. i saw a man walking around with a shotgun. initially i thought, okay, this is an undercover policeman pause he was walking pretty cautiously. didn't seem like he was in a